Mobile phones are the most popular device for communication today. Every mobile requires some type of mobile operating system as a platform to run the other services and being easy for the users to use the services like voice calling, messaging service, camera functionality, Internet facilities and so on.

The previous mobile operating systems were simple and were unable to provide an effective interface, therefore the capabilities of the phones they supported were limited. However, modern smartphones are laced with most advanced features of a full-fledged computer which includes high-speed central processing units (CPU) and graphics processing unit (GPU), large storage space, multitasking, high-resolution screens and cameras with clarity, multipurpose communication hardware and so on.

Architecture of Mobile OS